Cleveland C70119 8mm Cobalt Jobber Drill Bit 135 Split Point

Product Description

The CLEVELAND C70119 is a cobalt steel jobber-length drill bit designed for drilling metal, aluminum, and other demanding materials in industrial and trade applications. Built from M42 cobalt high-speed steel, it carries a gold oxide coating that helps reduce friction and extends tool life under heavy-duty use. The 135-degree split point geometry reduces walking on entry and lowers thrust requirements, making it well-suited for production drilling and field work. At 4.61 inches overall length with a 2.953-inch flute, it fits standard drill chucks and magnetic drills used across mechanical, fabrication, and maintenance trades.

This drill bit is sized at 8 mm (0.3150 inches) diameter with a straight-cylindrical shank of matching diameter and a shank length of 1.6535 inches. It is used in ferrous and non-ferrous metal drilling, including aluminum and structural steel, in both shop and field environments. The regular spiral flute with web-thinned, tapered web configuration promotes chip evacuation and helps maintain clean hole geometry. It is appropriate for CNC drilling, drill press, and hand-held power tool use in HVAC, plumbing, electrical, and general mechanical trades.

Key Features

• M42 cobalt high-speed steel construction rated for heavy-duty drilling applications
• 135-degree split point reduces entry walking and lowers required thrust
• Gold oxide coating reduces friction and heat buildup during cutting
• Web-thinned tapered web improves chip clearance and cutting efficiency
• Right-hand cut with 2-flute regular spiral for consistent chip evacuation
• Meets NAS 907 Type J specification for dimensional and performance standards

Compatibility

Designed as an OEM-style jobber-length drill bit in CLEVELAND Series 2213, suitable for use with standard 3-jaw drill chucks and compatible drilling equipment accepting a 0.3150-inch straight-cylindrical shank.

Installation Notes

Installation is performed by machinists, maintenance technicians, and trade professionals using drill presses, CNC machines, or hand-held power drills. Secure the shank fully in the chuck and verify concentricity before drilling. No coolant-through capability is present on this bit, so apply cutting fluid externally when drilling steel or hard alloys to manage heat. Follow applicable shop safety standards and wear appropriate eye protection during use.